#3D577B#3D577B

#3D577B is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.2% C 0.067 H 256.7°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#3D577B
RGB	rgb(61, 87, 123)
HSL	hsl(215, 34%, 36%)
HSV	hsv(215, 50%, 48%)
CMYK	cmyk(50.4%, 29.3%, 0%, 51.8%)
CIE-LAB	lab(36.44, 1.08, -23.37)
CIE-LCH	lch(36.44, 23.40, 272.64°)
OKLab	oklab(45.21% -0.0155 -0.0654)
OKLCH	oklch(45.21% 0.067 256.7)
XYZ	xyz(8.9066, 9.2379, 20.0488)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D577B #7B613D

analogous

#3D767B #3D577B #423D7B

triadic

#3D577B #7B3D57 #577B3D

tetradic

#3D577B #7B3D76 #7B613D #3D7B42

square

#3D577B #7B3D76 #7B613D #3D7B42

split-complementary

#3D577B #7B423D #767B3D

monochromatic

#141D29 #293A52 #3D577B #5174A4 #7794BC

Accessibility & contrast

On white

7.37

#3D577B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3D577B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D577B

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D577B	#FFFFFF	#000000	##FFFFFF
##3D577B	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49597D

Deuteranopia (green-blind)

#42537A

Tritanopia (blue-blind)

#225F64

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3d577b;
/* rgb */ color: rgb(61, 87, 123);
/* oklch */ color: oklch(45.2% 0.067 256.7);

Tailwind

colors: {
  custom: {
    50: '#7686a1',
    500: '#3d577b',
    950: '#000000',
  },
}

SCSS

$custom: #3d577b;
$custom-light: #7686a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d577b",
  "rgb": {
    "r": 61,
    "g": 87,
    "b": 123
  },
  "hsl": {
    "h": 214.839,
    "s": 33.696,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45213,
    "c": 0.06725,
    "h": 256.7
  },
  "luminance": 0.09239
}

Semantic roles & 50–950 ramp

primary

#3D577B

secondary

#A68E6E

accent

#9D5ECA

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0F

muted

#7B7C7E

Preview Lab

Preview with #3D577B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →